Agglomerating-machine.



0. GROGHBT.

AGGLOMERATING MACHINE.

APPLICATION FILED MAY 4. 1907.

Patented Oct. 26, 1909.

6 SHEETS-SHEET 1.

WITNESSES 0. CROCHET.

AGGLOMERATING MACHINE.

APPLICATION FILED MAY 4. 1907.

938,217. v Patented 0011.26, 1909.

s SHEETS-SHEET 2. 1

O. CROCHET. AGGLOMERATING MACHINE. APPLIOATION FILED MAY 4. 1907.

WWW 555 0. CROCHET. AGGLOMERATING MACHINE.

APPLICATION FILED MAY 4. 1907.

938,21 7. Patented Oct. 26, 1909.

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APPLICATION nun MAY 4. 1901.

Patented ioet. 26, 1909.

6 SHEETS-SHEET 5.

' WITNESSES 0. CROCHET. AGGLOMERATING- momma APPLIOATIOH TILED MAY 4.1907. I

Patented Oct. 26,1909.

6 SHEETS-SHEET 6.

WITNESSES UNITED STATES PATENT ()FFIGE.

OCTAVE CROCHET, 0F ALAIS, FRANCE, ASSIGNORj'lO LA SOCIETE DECONSTRUCTIONS MECANIQUES DALAIS, 0F ALAIS, FRANCE.

AGGLOMEBATING-MAGHINE.

. Specification of Letters Patent.

' Patented Oct. 26, 1909.

Application filed. May 4, 1907. Serial No. 371,947.

To all whom it may concern:

Be it known that I, OCTAVE CROCHET, a citizen of the Republic of France,and resident of Alais, France, have invented a new and usefulImprovement in Agglomerating- Machines, which improvement is fully setforth in the following specification.

This invention relates to a press with two rams and an intermittinglyrevolving molding table with molds open on both sides, in which one ofthe rams is driven directly by means of a hydraulic piston which isunder hydraulic pressure capable of regulation, and the other by thehydraulic press through the medium of a lever system, and both ramsexert a simultaneous double pressure on the material to be pressed whichis contained'in the molds.

In the invention a double transmission of the regulatable pressure ofthe press cylinders is striven for. To this end the lever driving theupper ram is so connected by means of crank drivers with a compressionpiston which the fluid in the press cylinder places under regulatablepressure, that the respective lever arm makes a strokecorresponding tothe stroke of the compression piston and therefore always even. On theother hand a special hydraulic piston likewise exposed to theregulatable pressure of the press cylinder operates on the other arm ofthis lever.

Figure 1 shows a side view of the briquet press. Fig. 2 is a plan view.Fig. 3 is a section on the line AA of Fig. 2. Fig. 4 is a cross sectionon line B-B of Fig. 2. Fig. 5 is a cross section on the line CC of Fig.2. Fig. 6 is a cross section through the connection between the presspot and the valve box.

In the lower part of the frame are three cylinders 6', 11, 8, connectedwith each other. In the cylinder 6 operates a compression piston 6driven by a cranked shaft 1; in cylinder 11 operates the hydraulicpiston 11 bearing the press ram 10, and in the cylinder 8 operates thehydraulic piston 8 connected with one end of the lever 4.

At one end of the cranked shaft 1 is a toothed wheel 1 in which engagesa second toothed wheel driven by a motor. To the crank of shaft 1 areattached two driving rods 2 extending upwardly and to which are attacheda bar 3 borne by one end of the lever 4. To the crank is also attached adriving rod 5 extending downwardly and to which is linked a sliding shoe5 which bears underneath the hydraulic compression piston 6. The otherend 7 (Fig. 1) of the lever 4 is connected by means of a rod 7 and yoke7 to the hydraulic piston 8 (Figs. 3 and 5). Secured to the under sideof the central part of lever 4 is a semi-cylindrical pressure piece 4which operates upon the upper press ram 9, (Fig. The lower press ram 10is connected at its lower end with the hydraulic p1ston 11 which restsupon an elastic cushion 18.

A valve box 12 is in communication with the three cylinders 6, 8 and 11and this box contains an inlet valve 15 and an outlet valve 16, theinlet valve controlling the flow of water to the box and cylinders froma suitable supply. A plate 13, capable of be ing revolved on a table 13around a cylindrical frame piece 14, (Fig. 5) bears a certain number ofmold openings (Figs. 2 and 3) lying in a circle, of a size correspondingto the cross section of the press rams. This plate 13 intermittinglyrotated by means hereinafter described comes to rest in a position inwhich one briquet can be pressed in one opening and a finished briquetout of another and the press rams withdrawn in order to allow the plateto again be given a partial revolution.

The molding of the briquets is accomplished in such a way that thecranked shaft 1 when its crank goes upward and the press ram 9 moves upraises the hydraulic compression piston 6, whereby the suction or inletvalve 15 is raised so as to fill the press cylinders. At the beginningof the downward stroke of the crank shaft the suction valve 15 isclosed, andthis movement being maintained, the upper press ram 9 ismoved downward, and under the action of the'hydraulic compression piston6 the lower press ram 10 is moved upward, and under pressure of bothrams 9 and 10 the material contained in the mold is pressed.

For each kind of material the pressure must have for the measuring unitof surface, a measured strength. The pressure or outlet valve 16 (Fig.1)opens downwardly and compresses by means of its rod a plate spring 16which presses against the valve box 12 and said spring can be adjustedby a nut and a check nut 16*, according to the measure of the pressurewhich is to be attained on both sides of the briquet. safety valve1'7(Figs. 1 and 6) with weighted rod 17 a and a manometer 18 (Figs. 1 and6) serve for the supervision of this regulati on. The measurement of thelonger arm of the lever 4 and the diameter of the compression cylinder(5 are so'proportioned that the lift of the lower press ram 10 amountsto only two-thirds of that of the upper press ram 9.

If the pressure for the measuring unit of surface exceeds the determinedmeasure, the valve 16 allows water to flow from the box 12 untilequilibrium in the press cylinders isposition by the springv 20 whichhas been compressed and by the water flowing into the boX 12- and:acting on piston 8. There cannot therefore be produced an excessivepressure. leading to the injury of the parts of the machine. Thepiston21 effects the ejection ofthe briquet from the mold. This is movedby alink 22' (Fig. 1) attached to oneend' to the-lever 4 and with its otherend attached to a lever 23capable of turning on 27.v This operates bymeans ofthe rod- 24 on a lever 25 capable of turning on 28 (Fig.

which by means of the rod 26 is connected to the; upper end of the rodof the piston 21-. The movement of the ejecting piston 21 is thereforeindependent of; the hydraulic regulation. Therefore a briquetis withcertainty ejected each time from the mold. j j

Theintermittent revolution of the molding-table plate 13 is transmittedby theshaft 1. One ,endof the latter bears a crank 29 (Fig. which bymeans of a driving rod 30 moves a sliding piece 31, which slides in a:guide. A fork 33 of the sliding piece embraces constantly apin 34, theend of which is fixed on a two-parted collar 35, which is revolved backand forth in a circular groove of the molding table plate 13 by means ofthe-crank and driving rod:

.In the groove of the molding table plate there are a number of teethcorresponding to thenumber of molds on which the pawl 36 which isfastened to the ring 35 operates. By this means a partial revolution ofthe molding table plate is produced at each revolution of the shaft 1.On the front part of the sliding piece there is an adjustingsc'rewf38,which. at the end of the revo-' lution of the molding; table 13 strikesthe arnrof a trigger-pin 37 and this presses into a depression 38 of theplate. The latter is In the upward movement of t-hen'stopped exactly atthe moment inwhich I the briquet' to be' pressed finds" itselfoppositethe'two pressrams 9 and 10.

It sometimes occurs that on account of too strong friction of the lowerpress ram 10, that this does not fully withdraw from the. moldingtab'le13 and thus hinders themove ment"of the tablei- In order to avoid this a'roll' 39 (Fig. 2) set on an opposite arm of the crank 29 acts on thearm of a lever 40 (Fig. 1') the other arm of which is connected by meansof a rod 41' with the arm 42- whose axle carries a pressure lever 43.This-,under, the action of the roll 39, presses u'pon' thebottomof anotch in the rod connecting the hydraulic piston 11 with I the press ram10' and: withdrawsthe latter from the opening of the molding table 13;

I claim as my invention I 1'. An agglomerating machine} comprising a:mold carrying" element, upper and lower molding pistons, a crank shaft,a hydraulic press pot, apiston 6 operating in said pot Vandconnectied-tor the crank shaft, a piston 111 also operating inthe-saidpot and connected directly to the. lower molding piston, apiston 8 also operating in saidpresspot, an vupper lever i4having; oneend Y connected with said' piston: 8 ,and' its other end connected withthe crank shaftand bearing at an in termediate point; on the uppermoldingpiston andmeans for rotatingqth'e crank shaft.

2'; Anagglomerating; machine comprising a; hydraulic press pot, aninlet. valve thereto, an adjustable outl'et valve there! f-rom-,'acrankshaft, a piston 6--connected"to said crank shaft and operatingin' thepress. pot; a piston 11' operating in; said press pot, and; alower;mol'di'ng piston carried fsa'id piston-.11, a pistons operating; in thepress pot, an upper lever 4, means for'con Znecting? one end ofsaid'lever with the piston and the other end: with the: crank shaft,u'pper molding piston operated. by ythe ilejver 4', and means forrotating. the crank gs'haft. V, J p

V 3-. An agglomerating machine compris ing a hydraulic press-.- pot, aninlet: valve ?thereto, an adjustable outlet valve there :from, a: crankshaft, a piston 6 connectedfto said crank shaft and operatingthepress'pot, a piston 11 operatingi'nsaid press. ot an",d; :a lowermolding piston". carried y said piston 11,. a piston. 8v operating inthe. press pot, an upper lever 4, means for connecting one end of saidlever with the piston 8 and the other end 'withthe crank shaft, an uppermolding piston operated by the lever 4', means for. rotating. the crankshaft,- and a yielding supportfor'the piston 11.

4. An agglomerating machine, comprising a crankshaft, means foroperating the same, ag hydraulic, press pot, a piston 6 oper shaft, apiston 11 operating in said press pot, a lower molding piston connectedwith said piston 11, an upper molding piston, a mold carrying element, alever 4 having one end connected with the crank shaft and adapted tooperate the upper molding pis ton, a piston 8 operating in the presspot, rods connecting said piston 8 with the other end of the lever 4:,and a coiled spring 20 adapted to be compressed by the upward movementof the rods connecting said lever 4 with the piston 8.

5. An agglomerating machine comprising upper and lower molding pistons,a crank shaft, an upper lever pivoted at one end, links connecting itsother end to the crank, said lever being connected at an intermediatepoint to the upper molding piston, a hydraulicpress, a piston thereinconnected with the lower molding piston, a second piston in thehydraulic press connected to the crank shaft, a mold carrying element,means for operating said element from the crank shaft, a dischargingdevice of constant stroke, a lever 23 pivoted at an intermediate pointabove the point of connection between the upper lever and the uppermolding piston, a series of links connecting one end of said lever 23with the discharging device, and a link 22 connecting the other end ofsaid lever 23 with the link connecting the crank shaft with the upperlever. v

In testimony whereof I have signed this specification in the presence oftwo subscribing witnesses.

OOTAVE CROCHET. Witnesses:

PERRE CoRRoIo, FRANgoIs GRAVELY.

